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Selecting Test Features
Generating Overhead Sequences
Generating Overhead Sequences
Description You may insert a pattern into a functional group of overhead bytes for
testing or troubleshooting purposes.
HOW TO: 1 Set up the SONET transmit interface and payload required. See
“Setting SONET Transmit Interface” page 4.
2 Choose the type of sequence required.
SINGLE RUN - runs the sequence once and then stops.
REPEAT RUN - runs the sequence repeatedly until STOPPED is
chosen.
3 Choose the overhead type as required.
SOH- Section Overhead
LOH- Line Overhead
POH - Path Overhead
4 Choose the byte or bytes of overhead required.
5 Set up the required number of data patterns and the number of
frames in which each data pattern should appear.
Your sequence is derived from up to 5 blocks of hexadecimal data. Each
block can be transmitted in up to 64,000 frames.
The data and the number of frames are set using
.
DECREASE DIGIT
INCREASE DIGIT